Weird Preflop line

Originally Posted by JL

Originally Posted by IowaSkinsFan

I just do 1.5x what he raised it to normally when I 4 bet.

I dont get it.
So if u are UTG and raise to $10, and villain 3bets to $30, you 4bet to....$45??

Help me out a bit here.

Oh lol meant 2.5 times lol. so I'd raise here to 75, especially if UTG is a fish.
But then again different raise sizes are appropriate for different situations.